It was to a collective gasp of amazement that the Gyro-X drove up the ramp onto the podium at the Pebble Beach Concours d'Elegance to accept the Dean Batchelor Trophy. As the two-wheel ...

The 1967 Gyro-X is a one-of-a-kind self-stabilizing two-wheeled wonder of the automotive world. Developed by aerospace engineer Tom Summers and designer Alex Tremulis, it was a fanciful approach ...

By definition, precession refers to a change in the orientation of the rotational axis of a rotating body. If you rotate a spinning gyroscope at its spin axis, the gyroscope would instead try to ...

That sole Gyro-X spent the next few decades bouncing from one owner to the next, at some point losing its gyroscope. In 2009, a collector named Mark Brinker bought the car in the hope of fixing it ...